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Temporalis Muscle – Attachments, Actions & Innervation

Last update: Dec 4th, 2017

Temporalis Muscle – Attachments, Actions & Innervation

Temporalis Muscle

Temporalis Muscle attached to the skull with other mastication muscles

Temporalis Muscle attached to the skull with other mastication muscles

Temporalis Muscle attached to the skull with other mastication muscles

Temporalis Muscle attached to the skull alone

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Attachments of Temporalis Muscle: Origin & Insertion

Origin: (proximal attachments):
Temporal lines, temporal fossa, and temporal fascia.

Insertion: (distal attachments):
Tip and medial surface of coronoid process of mandible.

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Temporalis Muscle attached to the skull with other mastication muscles

Temporalis Muscle attached to the skull alone

Temporalis Muscle - Origin and Insertion

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Actions of Temporalis Muscle on the mandible:

Elevates and retracts mandible at temporomandibular joint to close jaw.

Mandible elevation (1)

Mandible elevation (1)

Mandible elevation (3)

Mandible elevation (4)

Mandible elevation (5)

Mandible elevation (1)

Nerve to Muscle and its Spinal Segment:

Mandibular branch of trigemminal nerve (V).

Overview:

Temporalis Muscle - Test yourself

Temporalis Muscle - Test yourself 1

Temporalis Muscle - Test yourself 2

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Test yourself while observing the Temporalis Muscle

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